# Tosoh to build second Skyprene chloroprene rubber plant at Nanyo Complex

Tosoh Corporation will construct a second chloroprene rubber production facility at its Nanyo Complex in Shunan City, Yamaguchi Prefecture, adding 22,000 metric tons per year. The investment is approximately ¥75 billion (USD 500 million), with construction starting in spring 2027 and operations expected by 2030.

- Type: Expansion
- Announced: 2026-01-30
- Where: Shunan City, Yamaguchi Prefecture, Japan
- Value: $500.0M (75.0B JPY)
- Starts operating: 2030
- Status: announced
- Capacity: 22,000 metric tons per year
- Products: Skyprene chloroprene rubber
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Tosoh](https://endata.com/companies/19811.md)

## Sources

- [procurementresource.com](https://www.procurementresource.com/news-and-articles/tosoh-ramping-up-skyprene-rubber-capacity-nanyo-complex), 2026-01-30: "Tosoh Corporation, based in Tokyo, has revealed plans to expand its production capacity for Skyprene chloroprene rubber (CR) in response to growing global demand."

---
Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.